/* ============================================================================
   IRON VISION show-site — stil (DEMİR VE KOR paleti, mühürlü)
   Tek CSS dosyası, dış istek yok. Fontlar lokal woff2.
   ========================================================================== */

/* ---- Lokal fontlar -------------------------------------------------------- */
@font-face {
  font-family: "Space Grotesk";
  src: url("../assets/fonts/space-grotesk-latin.woff2") format("woff2");
  font-weight: 400 800; font-style: normal; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+2000-206F, U+2212;
}
@font-face {
  font-family: "Space Grotesk";
  src: url("../assets/fonts/space-grotesk-latin-ext.woff2") format("woff2");
  font-weight: 400 800; font-style: normal; font-display: swap;
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Zodiak";
  src: url("../assets/fonts/zodiak-700.woff2") format("woff2");
  font-weight: 700; font-style: normal; font-display: swap;
}

/* ---- Palet + temel değişkenler ------------------------------------------- */
:root {
  --zemin-1: #232326; --zemin-2: #141416; --zemin-3: #0a0a0b;
  --kor-a: #ff6b2b; --kor-b: #ff3d2e; --kor-isik: #ff8a4d;
  --yarasa: #ffb088; --isilti: #ff5a28;
  --yazi: #ffe9dc;
  --metin: rgba(255,255,255,0.72);
  --metin-soluk: rgba(255,255,255,0.5);
  --cizgi: rgba(255,255,255,0.1);
  --cam: rgba(20,20,22,0.55);
  --font: "Space Grotesk", -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-d: "Zodiak", Georgia, "Times New Roman", serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--metin);
  background:
    radial-gradient(ellipse at 50% 22%, var(--zemin-1) 0%, var(--zemin-2) 52%, var(--zemin-3) 100%)
    var(--zemin-3);
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.sr-only {
  position: absolute !important; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

a { color: inherit; }
:focus-visible { outline: 2px solid var(--kor-isik); outline-offset: 3px; border-radius: 3px; }

/* ---- Dil anahtarı: sabit sağ üst, cam hap (sürünün üstünde) --------------- */
.dil-anahtar {
  position: fixed; top: clamp(12px, 2.4vh, 22px); right: clamp(12px, 3vw, 26px);
  z-index: 20; display: inline-flex; align-items: center; gap: 2px;
  padding: 5px 8px; border-radius: 999px;
  background: rgba(20,20,22,0.6); border: 1px solid var(--cizgi);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 6px 22px rgba(0,0,0,0.35);
}
.dil-btn {
  appearance: none; border: none; background: transparent; cursor: pointer;
  font-family: var(--font); font-size: 0.76rem; font-weight: 700; letter-spacing: 0.08em;
  color: var(--metin-soluk); padding: 4px 9px; border-radius: 999px;
  transition: color 0.2s ease, background 0.2s ease;
}
.dil-btn:hover { color: var(--yazi); }
.dil-btn.aktif {
  color: #0a0a0b;
  background: linear-gradient(120deg, var(--kor-a), var(--kor-b));
}
.dil-ayrac { color: var(--cizgi); font-size: 0.8rem; user-select: none; }

/* ---- Sürü canvas: sabit viewport, içeriğin ÖN yüzünde süzülür (MURMUR) ----- */
/* Kuşlar küçük + aralıklı akar; okunurluk boyut ve seyreklikle korunur,
   soluklaştırmayla değil. pointer-events:none → tıklama/odak içeriğe geçer. */
#suru {
  position: fixed; inset: 0; z-index: 6;
  width: 100%; height: 100%; display: block;
  pointer-events: none;
}
html.rm #suru { display: none; }

/* İçerik sürünün üstünde; bölümler saydam, gövde zemini görünür */
main, footer { position: relative; z-index: 2; }

/* ---- Bölüm iskeleti ------------------------------------------------------- */
.bolum {
  max-width: 1180px; margin: 0 auto;
  padding: clamp(88px, 14vh, 168px) clamp(20px, 5vw, 56px);
}
.kicker {
  font-size: 0.72rem; letter-spacing: 0.34em; text-transform: uppercase;
  color: var(--kor-isik); margin-bottom: 18px; font-weight: 600;
}
.bolum-baslik {
  font-family: var(--font-d);
  font-size: clamp(1.9rem, 5vw, 3.2rem); line-height: 1.08;
  color: var(--yazi); font-weight: 700; letter-spacing: -0.01em;
  text-shadow: 0 0 28px rgba(255,90,40,0.18);
}
.bolum-alt { margin-top: 14px; max-width: 44ch; color: var(--metin); }

/* ============================================================================
   1) HERO
   ========================================================================== */
.hero {
  position: relative; z-index: 2;
  min-height: 100vh; min-height: 100svh;
  display: flex; flex-direction: column; justify-content: flex-end;
  align-items: center; text-align: center;
  padding: 40px clamp(20px, 5vw, 56px) clamp(48px, 9vh, 96px);
}
/* Reduced-motion sabit yazısı (yalnız .rm'de görünür) */
.hero-static {
  display: none;
  position: absolute; top: 42%; left: 50%; transform: translate(-50%, -50%);
  font-weight: 800; letter-spacing: 0.1em; line-height: 1;
  font-size: clamp(2.8rem, 12vw, 7rem); color: var(--yazi);
  text-shadow: 0 0 22px rgba(255,90,40,0.6), 0 0 66px rgba(255,61,46,0.35);
}
html.rm .hero-static { display: block; }

.hero-alt { position: relative; z-index: 3; max-width: 640px; }
.slogan {
  font-family: var(--font-d);
  font-size: clamp(1.35rem, 4.2vw, 2.35rem); line-height: 1.18;
  color: var(--yazi); font-weight: 700; letter-spacing: -0.01em;
  text-shadow: 0 2px 30px rgba(0,0,0,0.7);
}
.video-daveti {
  margin-top: 16px; font-size: clamp(0.85rem, 2.4vw, 1rem);
  color: var(--metin-soluk); letter-spacing: 0.01em;
}
.video-daveti b { color: var(--yazi); font-weight: 600; }
.scroll-ipucu {
  margin-top: clamp(30px, 5vh, 52px);
  display: inline-flex; flex-direction: column; align-items: center; gap: 6px;
  font-size: 0.7rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--metin-soluk);
}
.scroll-ipucu .ok {
  width: 20px; height: 20px; border-right: 2px solid var(--kor-isik);
  border-bottom: 2px solid var(--kor-isik); transform: rotate(45deg);
  animation: zipla 1.8s ease-in-out infinite;
}
@keyframes zipla {
  0%,100% { transform: rotate(45deg) translate(0,0); opacity: 0.5; }
  50% { transform: rotate(45deg) translate(4px,4px); opacity: 1; }
}

/* ============================================================================
   2) NE YAPIYORUZ — üç kart
   ========================================================================== */
.kartlar-3 {
  margin-top: clamp(36px, 6vh, 64px);
  display: grid; gap: 20px;
  grid-template-columns: repeat(3, 1fr);
}
.hizmet-kart {
  position: relative; padding: 30px 26px 32px;
  background: linear-gradient(165deg, rgba(255,255,255,0.055), rgba(255,255,255,0.015));
  border: 1px solid var(--cizgi); border-radius: 16px;
  backdrop-filter: blur(7px); -webkit-backdrop-filter: blur(7px);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.hizmet-kart:hover, .hizmet-kart:focus-within {
  transform: translateY(-5px);
  border-color: rgba(255,107,43,0.5);
  box-shadow: 0 14px 40px rgba(0,0,0,0.4), 0 0 28px rgba(255,107,43,0.16);
}
.hizmet-no {
  font-family: var(--font-d); font-size: 0.95rem; color: var(--kor-isik);
  letter-spacing: 0.1em; font-weight: 700;
}
.hizmet-kart h3 {
  margin: 10px 0 10px; font-size: 1.28rem; color: var(--yazi);
  font-weight: 700; letter-spacing: -0.01em;
}
.hizmet-kart p { color: var(--metin); font-size: 0.98rem; }
.iki-yol {
  margin-top: clamp(30px, 5vh, 52px); text-align: center;
  font-family: var(--font-d); font-size: clamp(1.05rem, 2.6vw, 1.4rem);
  line-height: 1.5; color: var(--yazi); max-width: 40ch;
  margin-left: auto; margin-right: auto;
}
.iki-yol span { color: var(--kor-isik); }

/* ---- Kurulum yolları: iki-yol satış felsefesi kartları -------------------- */
.kurulum-yollari { margin-top: clamp(30px, 5vh, 52px); }
.kurulum-ust {
  text-align: center; color: var(--metin);
  font-size: 0.95rem; letter-spacing: 0.02em; margin-bottom: 20px;
}
.yol-kartlar {
  display: grid; gap: 20px; grid-template-columns: repeat(2, 1fr);
}
.yol-kart {
  padding: 26px 24px 28px; border-radius: 16px;
  background: linear-gradient(165deg, rgba(255,255,255,0.045), rgba(255,255,255,0.012));
  border: 1px solid var(--cizgi);
  backdrop-filter: blur(7px); -webkit-backdrop-filter: blur(7px);
}
.yol-no {
  font-family: var(--font-d); font-size: 0.8rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--kor-isik);
}
.yol-kart h3 { margin: 8px 0 10px; font-size: 1.18rem; color: var(--yazi); font-weight: 700; }
.yol-kart p { color: var(--metin); font-size: 0.95rem; }

/* ============================================================================
   3) TOOLS SAHNESI — demir tozu + ürün vitrini
   ========================================================================== */
.tools { text-align: center; }
.toz-wrap {
  position: relative; width: 100%; height: clamp(160px, 26vw, 300px);
  margin: 0 auto clamp(8px, 2vh, 20px); max-width: 900px;
}
#toz-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
/* Reduced-motion: statik ışıyan TOOLS başlığı */
.tools-static {
  display: none;
  font-size: clamp(2.4rem, 11vw, 5.5rem); font-weight: 800; letter-spacing: 0.42em;
  text-indent: 0.42em; color: var(--kor-isik);
  text-shadow: 0 0 20px rgba(255,107,43,0.5);
}
html.rm #toz-canvas { display: none; }
html.rm .tools-static { display: block; }
.tools-alt { color: var(--metin); max-width: 46ch; margin: 0 auto; }

.urun-vitrin {
  margin-top: clamp(38px, 6vh, 60px);
  display: grid; gap: 20px; grid-template-columns: repeat(3, 1fr);
  text-align: left;
}
.urun-kart {
  position: relative; display: flex; flex-direction: column;
  padding: 26px 24px; border-radius: 16px;
  background: linear-gradient(165deg, rgba(255,255,255,0.05), rgba(255,255,255,0.012));
  border: 1px solid var(--cizgi); min-height: 210px;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.urun-kart.canli:hover {
  transform: translateY(-5px);
  border-color: rgba(255,107,43,0.5);
  box-shadow: 0 14px 40px rgba(0,0,0,0.4), 0 0 28px rgba(255,107,43,0.16);
}
.rozet {
  align-self: flex-start; font-size: 0.66rem; letter-spacing: 0.14em;
  text-transform: uppercase; padding: 4px 11px; border-radius: 999px; font-weight: 600;
}
.rozet.canli { color: #0a0a0b; background: linear-gradient(120deg, var(--kor-a), var(--kor-b)); }
.rozet.yakinda { color: var(--kor-isik); background: rgba(255,107,43,0.12); border: 1px solid rgba(255,107,43,0.35); }
.rozet.bos { color: var(--metin-soluk); background: rgba(255,255,255,0.05); border: 1px dashed var(--cizgi); }
.urun-kart h3 { margin: 16px 0 8px; font-size: 1.24rem; color: var(--yazi); font-weight: 700; }
.urun-kart p { font-size: 0.94rem; color: var(--metin); }
.urun-kart.bos { border-style: dashed; align-items: flex-start; justify-content: center; }
.urun-kart .urun-link {
  margin-top: auto; padding-top: 14px; font-size: 0.9rem; font-weight: 600;
  color: var(--kor-isik); text-decoration: none;
}
.urun-kart .urun-link::after { content: " ↗"; }

/* ============================================================================
   4) VIDEO DUVARI — REC tarzı 3B eğimli duvar
   ========================================================================== */
.duvar-sahne {
  margin-top: clamp(40px, 7vh, 72px);
  perspective: 1500px; perspective-origin: 50% 42%;
  --tilt-x: 3deg; --tilt-y: -13deg;
}
.duvar-ic {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
  transform-style: preserve-3d;
  transform: rotateX(var(--tilt-x)) rotateY(var(--tilt-y));
  transition: transform 0.35s ease-out;
}
.kart {
  position: relative; aspect-ratio: 16 / 10; border-radius: 14px;
  overflow: hidden; cursor: pointer;
  background: #17171a; border: 1px solid var(--cizgi);
  transform: translateZ(0); transform-style: preserve-3d;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  box-shadow: 0 18px 40px rgba(0,0,0,0.45);
}
/* dama deseni derinlik: kartlara farklı z ötelemesi */
.duvar-ic .kart:nth-child(3n+1) { transform: translateZ(38px); }
.duvar-ic .kart:nth-child(3n+2) { transform: translateZ(8px); }
.duvar-ic .kart:nth-child(3n+3) { transform: translateZ(24px); }
.kart:hover, .kart:focus-visible {
  transform: translateZ(70px) scale(1.015);
  border-color: rgba(255,107,43,0.6);
  box-shadow: 0 26px 60px rgba(0,0,0,0.55), 0 0 34px rgba(255,107,43,0.32);
  z-index: 5;
}
.kart video, .kart .poster {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; display: block;
}
.kart .poster { z-index: 1; transition: opacity 0.4s ease; }
.kart.oynuyor .poster { opacity: 0; }
.kart video { z-index: 0; }
.kart-ad {
  position: absolute; left: 12px; bottom: 11px; z-index: 3;
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.06em; color: var(--yazi);
  text-shadow: 0 2px 12px rgba(0,0,0,0.9);
}
.kart-ad small { display: block; font-weight: 400; font-size: 0.66rem; color: rgba(255,233,220,0.7); letter-spacing: 0.02em; }
.kart::after {
  content: ""; position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background: linear-gradient(to top, rgba(10,10,11,0.6) 0%, rgba(10,10,11,0) 42%);
}
/* Kör kartlar (KERVAN + HALLEY): poster çok karanlık — üstüne hafif
   aydınlatıcı degrade (screen blend) + isim/altyazı kontrastı. Sadece bu
   iki karta uygulanır; diğer kartlara dokunulmaz. */
.kart.koyu-poster::before {
  content: ""; position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background:
    radial-gradient(120% 82% at 50% 14%, rgba(255,176,116,0.16), transparent 62%),
    linear-gradient(0deg, rgba(255,255,255,0.05), rgba(255,255,255,0.05));
  mix-blend-mode: screen;
}
.kart.koyu-poster .kart-ad {
  text-shadow: 0 2px 14px rgba(0,0,0,0.95), 0 0 5px rgba(0,0,0,0.85);
}
.kart.koyu-poster .kart-ad small { color: rgba(255,233,220,0.9); }

/* Tipografik kartlar (görseli olmayan işler) */
.kart.tipo { display: flex; flex-direction: column; justify-content: center; padding: 22px; text-align: center; }
.kart.tipo .tipo-ad {
  font-family: var(--font-d); font-weight: 700; color: #fff;
  font-size: clamp(1.3rem, 3.2vw, 1.9rem); letter-spacing: 0.02em;
  text-shadow: 0 2px 16px rgba(0,0,0,0.5); position: relative; z-index: 3;
}
.kart.tipo .tipo-en {
  margin-top: 8px; font-size: 0.82rem; color: rgba(255,255,255,0.82);
  font-style: italic; position: relative; z-index: 3;
}
.kart.tipo::after { background: radial-gradient(ellipse at 50% 120%, rgba(0,0,0,0.35), transparent 70%); }

/* ============================================================================
   5) KAPANIS + FORM
   ========================================================================== */
.kapanis {
  position: relative;
  display: flex; flex-direction: column; align-items: center;
  padding: 0 clamp(20px, 5vw, 56px) clamp(72px, 12vh, 140px); text-align: center;
}
/* Sözün kurulduğu üst band — form bunun ALTINDA, ayrı bir blok */
.kapanis-hero { position: relative; width: 100%; min-height: 72vh; min-height: 72svh; }
.kapanis-static {
  display: none; position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  font-weight: 800; letter-spacing: 0.1em; font-size: clamp(2.2rem, 10vw, 5.5rem);
  color: var(--yazi); text-shadow: 0 0 22px rgba(255,90,40,0.6), 0 0 66px rgba(255,61,46,0.35);
}
html.rm .kapanis-static { display: block; }

/* Form kendi cam paneli üstünde: geçiş anında arkadaki taneler sızıp
   alanları kirletmez, yazı forma binmez. */
.form-sar {
  position: relative; z-index: 3; width: 100%; max-width: 560px;
  padding: clamp(26px, 4vw, 40px) clamp(20px, 3.5vw, 36px);
  border-radius: 22px;
  background: linear-gradient(165deg, rgba(20,20,22,0.82), rgba(10,10,11,0.9));
  border: 1px solid var(--cizgi);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 24px 70px rgba(0,0,0,0.5);
}
.form-sar .kicker { text-align: center; }
.form-baslik {
  font-family: var(--font-d); font-size: clamp(1.5rem, 4vw, 2.2rem);
  color: var(--yazi); font-weight: 700; margin-bottom: 8px;
}
.form-giris { color: var(--metin); margin-bottom: 28px; }
#iletisim-form { display: grid; gap: 16px; text-align: left; }
.alan { display: grid; gap: 7px; }
.alan label { font-size: 0.82rem; letter-spacing: 0.03em; color: var(--metin); font-weight: 600; }
.alan input, .alan textarea {
  width: 100%; padding: 13px 15px; border-radius: 11px;
  background: rgba(255,255,255,0.045); border: 1px solid var(--cizgi);
  color: var(--yazi); font-family: var(--font); font-size: 1rem; resize: vertical;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.alan input::placeholder, .alan textarea::placeholder { color: rgba(255,255,255,0.35); }
.alan input:focus, .alan textarea:focus {
  outline: none; border-color: rgba(255,107,43,0.6); background: rgba(255,255,255,0.06);
}
.tuzak { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.gonder {
  margin-top: 6px; padding: 15px 40px; border: none; border-radius: 999px;
  font-family: var(--font); font-size: 1rem; font-weight: 700; letter-spacing: 0.04em;
  color: #0a0a0b; cursor: pointer; justify-self: center;
  background: linear-gradient(120deg, var(--kor-a), var(--kor-b));
  box-shadow: 0 0 30px rgba(255,90,40,0.4);
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}
.gonder:hover { transform: translateY(-2px); box-shadow: 0 6px 34px rgba(255,90,40,0.55); }
.gonder:active { transform: translateY(0); }
.gonder:disabled { opacity: 0.6; cursor: default; transform: none; }
.form-durum { min-height: 1.4em; text-align: center; font-size: 0.92rem; margin-top: 4px; }
.form-durum.ok { color: var(--kor-isik); }
.form-durum.hata { color: #ff8a7a; }

/* Güven satırı: form gizliliği — sade, soluk, ayırıcı çizgiyle */
.form-guven {
  margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--cizgi);
  text-align: center; font-size: 0.82rem; line-height: 1.55;
  color: var(--metin-soluk); letter-spacing: 0.01em;
}

footer {
  text-align: center; padding: 40px 20px 56px;
  font-size: 0.8rem; color: var(--metin-soluk); border-top: 1px solid var(--cizgi);
}
footer b { color: var(--yazi); font-weight: 600; letter-spacing: 0.04em; }

/* ============================================================================
   MOBİL / RESPONSIVE
   ========================================================================== */
@media (max-width: 860px) {
  .kartlar-3, .urun-vitrin, .yol-kartlar { grid-template-columns: 1fr; }
  /* Video duvarı: 3B kapanır, dikey kaydırılabilir şerit olur */
  .duvar-sahne { perspective: none; }
  .duvar-ic {
    grid-template-columns: 1fr; transform: none !important; gap: 16px;
  }
  .duvar-ic .kart { transform: none !important; }
  .kart:hover, .kart:focus-visible { transform: scale(1.01) !important; }
}
@media (max-width: 520px) {
  .slogan { font-size: 1.5rem; }
  .bolum { padding-left: 18px; padding-right: 18px; }
}

/* Hareket azaltma: tüm animasyonları kes */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}